More from ISH: High efficiency systems

Over 2,400 exhibitors from over 50 countries are currently gathered in Frankfurt am Main for ISH 2015, The World’s Leading Trade Fair for for innovative bathroom design, energy efficient heating and air-conditioning technology and renewable energies.

CONTRACTOR's Editorial Director Bob Mader has been on the scene in Germany to bring us the latest innovations in faucets, fixtures and front-of-the-wall design, behind-the-wall appliances and systems, and now turns his focus to high-efficiency products.

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